Alle Firmen mit dem Anfangsbuchstaben I
- Ing. Kormesser Dominik Roland
- Ing. Korner Markus
- Ing. Koroschetz Christian Wolfgang
- Ing. Kortus MSC Johannes
- Ing. Kos Gabriele Theresia
- Ing. Koschitz Gerald
- Ing. Kositschek Walter
- Ing. Koss Nikolaus
- Ing. Kotauschek Thomas
- Ing. Kothmaier Christoph Peter
- Ing. Kothmaier Richard
- Ing. Kotrousch Christian
- Ing. Kottulinsky Franz Karl
- Ing. Kotzinger Josef
- Ing. Kotzinger Privatstiftung
- Ing. Koubele Alexander
- Ing. Kovacevic Dragan
- Ing. Kovacs Markus
- Ing. Kovacsik Isabella
- Ing. Kozak Herbert
- Ing. Kracikova Veronika
- Ing. Krainz Christian
- Ing. Krakora Rudolf
- Ing. Krall - Wild Elektromaschinenbau GesmbH
- Ing. Krall Michael Gerhard
- Ing. Kram Josef
- Ing. Kramer Alfred
- Ing. Kramer Michael
- Ing. Krammer Philipp Michael
- Ing. Krammer Raphaela Lisa
- Ing. Krammer Roman
- Ing. Krammer Roman
- Ing. Krammer Sebastian
- Ing. Kranzer Wilfried
- Ing. Kranzmayr Helmut
- Ing. Kranzpiller Franz
- Ing. Kraxner Andreas Johann
- Ing. Kreidl Bianca
- Ing. Kreindl Stephan Rudolf
- Ing. Kreiter Gerald
- Ing. Kreminger Georg
- Ing. Krempl Gerhard
- Ing. Krenn Martin
- Ing. Krenn Peter
- Ing. Krenn Thomas
- Ing. Kreuter Petra Angelika
- Ing. Kreuter Stefan Franz
- Ing. Kreutzinger Georg Josef
- Ing. Kreuzeder Christian
- Ing. Kreuzhuber Franz
- Ing. Kriechbaum Bau GmbH
- Ing. Kriechbaum Martin
- Ing. Krikler Philipp
- Ing. Krismer Christoph
- Ing. Krismer Gerhard Gottfried
- Ing. Kroisleitner Markus
- Ing. Kronaus Wolfgang
- Ing. Kronberger Günther
- Ing. Kroneder Markus Rudolf
- Ing. Kronister Gerhard
- Ing. Kronthaler Rosa Maria
- Ing. Kropf René
- Ing. Kropfitsch Egon
- Ing. Kropfreiter Johann
- Ing. Kropik Martin
- Ing. Kroyer Josef
- Ing. Kruschitz Kevin
- Ing. Kruschitz Martin
- Ing. Krzysztof Stando
- Ing. Kröpfl Felix
- Ing. Kubes Josef
- Ing. Kubicka Martin
- Ing. Kuchlbacher Alfons
- Ing. Kuebler Mario Alexander
- Ing. Kuen Josef Franz
- Ing. Kuess Gerhard
- Ing. Kuester Heimo
- Ing. Kugi Ferdinand
- Ing. Kugler Josef
- Ing. Kugler MA Victoria Maria